diff --git a/codegen/templates/GithubObject.MethodBody.DoRequest.py b/codegen/templates/GithubObject.MethodBody.DoRequest.py
index fd68144c..dff382a9 100644
--- a/codegen/templates/GithubObject.MethodBody.DoRequest.py
+++ b/codegen/templates/GithubObject.MethodBody.DoRequest.py
@@ -1,6 +1,10 @@
 {% if method.request.postParameters %}
     {% if method.variadicParameter %}
+        {% if method.variadicParameter.type.simple %}
         post_parameters = {{ method.variadicParameter.name }}s
+        {% else %}
+        post_parameters = [ {{ method.variadicParameter.name }}._identity for {{ method.variadicParameter.name }} in {{ method.variadicParameter.name }}s ]
+        {% endif %}
     {% else %}
         post_parameters = {
         {% for parameter in method.mandatoryParameters %}
diff --git a/src/github/Issue.py b/src/github/Issue.py
index 14fb13c9..a8742a90 100644
--- a/src/github/Issue.py
+++ b/src/github/Issue.py
@@ -110,7 +110,7 @@ class Issue( object ):
         return self.__user
 
     def add_to_labels( self, *labels ):
-        post_parameters = [ label.name for label in labels ]
+        post_parameters = [ label._identity for label in labels ]
         status, headers, data = self.__requester.request(
             "POST",
             str( self.url ) + "/labels",
@@ -221,7 +221,7 @@ class Issue( object ):
         )
 
     def set_labels( self, *labels ):
-        post_parameters = [ label.name for label in labels ]
+        post_parameters = [ label._identity for label in labels ]
         status, headers, data = self.__requester.request(
             "PUT",
             str( self.url ) + "/labels",